The Omega Speedmaster reference 311.63.44.51.99.001 features a 44mm case crafted from ceramic and Sedna Gold. This model, introduced in 2016, is powered by the automatic winding Omega caliber 9300. It includes a chronograph function, date display, and is certified as a chronometer. The watch also incorporates a co-axial escapement and showcases a striking meteorite dial, adding a unique element to its design.